At least 469 people have been killed and more than 1,500 are missing after a catastrophic flash flood hit the China-Nepal border on Wednesday.[581475][557828] Cara Severino, 25, is the first of 39 Australians who had been reported missing in the tragedy to have been confirmed safe.[581475][557828] Shreya Ahuja is searching for her parents after devastating floods struck Nepal, calling for international help and communications access as her family waits for news.[581475][642766] Residents look at houses partially submerged in muddy water after flash floods in Trishuli Bazar in Nepal's Nuwakot district on Aug. 26.[642766]